Cottageville is a town in Colleton County, South Carolina, United States.

According to the United States Census Bureau, Cottageville has a total area of 3.4 square miles (8.8 km2), all land.

21.5% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older.

Cottageville was incorporated in 1937 because residents in the area desired a post office.

[10] Reeves' estate was awarded $97.5 million by a jury in a lawsuit against the city for negligence.